blob: db75f028edef1e8259f52079f9a36f8b405d7f76 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
# frozen_string_literal: true
require "erubi"
module ActionView
class Template
module Handlers
class ERB
class Erubi < ::Erubi::Engine
# :nodoc: all
def initialize(input, properties = {})
@newline_pending = 0
# Dup properties so that we don't modify argument
properties = Hash[properties]
properties[:preamble] = "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
properties[:postamble] = "@output_buffer.to_s"
properties[:bufvar] = "@output_buffer"
properties[:escapefunc] = ""
super
end
def evaluate(action_view_erb_handler_context)
pr = eval("proc { #{@src} }", binding, @filename || "(erubi)")
action_view_erb_handler_context.instance_eval(&pr)
end
private
def add_text(text)
return if text.empty?
if text == "\n"
@newline_pending += 1
else
src << "@output_buffer.safe_append='"
src << "\n" * @newline_pending if @newline_pending > 0
src << text.gsub(/['\\]/, '\\\\\&')
src << "'.freeze;"
@newline_pending = 0
end
end
BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/
def add_expression(indicator, code)
flush_newline_if_pending(src)
if (indicator == "==") || @escape
src << "@output_buffer.safe_expr_append="
else
src << "@output_buffer.append="
end
if BLOCK_EXPR.match?(code)
src << " " << code
else
src << "(" << code << ");"
end
end
def add_code(code)
flush_newline_if_pending(src)
super
end
def add_postamble(_)
flush_newline_if_pending(src)
super
end
def flush_newline_if_pending(src)
if @newline_pending > 0
src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
@newline_pending = 0
end
end
end
end
end
end
end
|
